Early in the Spring, Cherry Trees Produce Flowers, Even Before

question 1

Multiple Choice

Early in the spring, cherry trees produce flowers, even before their leaves develop, by using sugars that were stored in their roots the previous year. While cherry flowers are developing, we would expect the phloem pressure near flowers to be ________, and ________ near root storage cells.

• A)high; high
• B)high; low
• C)low; low
• D)low; high

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Definitions:

Parentheses

Symbols used in mathematics to group expressions and influence the order of operations.

Algebraic Expression

An expression that contains variables, numbers, and operations.

Evaluate

To calculate the value of an expression.

Algebraic Expression

An expression built from constants, variables, and a finite number of algebraic operations (e.g., addition, subtraction, multiplication, and division).